The Role of Chemistry in History

The Role of Chemistry in History header image 2

Uses 3

April 18th, 2008 · No Comments ·

IntroductionDiscoveryHow is it Made?

Uses 1 Uses 2Uses 3

Hydrogen Peroxide and HistoryHydrogen Peroxide and the Future

How does peroxide bleach hair?

It uses a very slightly alkaline hydrogen peroxide solution.Hydrogen peroxide oxidises the melanin pigment inside the hairs to a colourless substance; the alkali makes the hair more permeable to the H2O2 by softening the cuticle, so the peroxide can reach the melanin.Blonde hair became increasingly popular since this discovery, for example:

Legally Blondegentelmengentlemen

films: Platinum Blonde (1931), Gentlemen Prefer Blondes (1953), Legally Blonde (2001)

Tags: Hydrogen Peroxide